<template>
  <div>
    <!-- Header 区域 -->
    <van-nav-bar
      fixed
      title="文章详情"
      left-arrow
      @click-left="$router.back()"
    />
<!-- 文章加载中... -->
<van-loading color="#1989fa" class="loading" v-if="artObj.title === undefined">文章疯狂加载ing...</van-loading>
    <!-- 文章信息区域 -->
    <div class="article-container" v-else>
      <!-- 文章标题 -->
      <h1 class="art-title">{{artObj.title}}</h1>

      <!-- 用户信息 -->
      <van-cell center :title="artObj.aut_name" :label="artObj.pubdate">
        <template #icon>
          <img :src="artObj.aut_photo" alt="" class="avatar" />
        </template>
        <template #default>
          <div>
            <van-button v-if="artObj.is_followed" type="info" size="mini"  @click="followedFn(false)">已关注</van-button>
            <van-button v-else icon="plus" type="info" size="mini" plain @click="followedFn(true)">关注</van-button
            >
          </div>
        </template>
      </van-cell>

      <!-- 分割线 -->
      <van-divider></van-divider>

      <!-- 文章内容 -->
      <div class="art-content" v-html="artObj.content"></div>

      <!-- 分割线 -->
      <van-divider>End</van-divider>

      <!-- 点赞 -->
      <div class="like-box">
        <van-button icon="good-job" type="danger" size="small" v-if="artObj.attitude===1" @click="loveFn(false)"
          >已点赞</van-button
        >
        <van-button icon="good-job-o" type="danger" plain size="small" v-else  @click="loveFn(true)"
          >点赞</van-button
        >
      </div>
    </div>
    <CommentList></CommentList>
  </div>
</template>

<script>
import { followedUserAPI, unFollowedUserAPI, articleDetailAPI, articleLikeAPI, articleDisLikeAPI } from '@/api'
import CommentList from './CommentList.vue'

export default {
  name: 'ArticleDetail',
  data () {
    return {
      artObj: {}
    }
  },
  async created () {
    const res = await articleDetailAPI({ id: this.$route.query.aid })
    console.log(res)
    this.artObj = res.data.data
  },
  methods: {
    async followedFn (val) {
      this.artObj.is_followed = val
      if (val) {
        await followedUserAPI({
          target: this.artObj.aut_id
        })
      } else {
        await unFollowedUserAPI({
          uid: this.artObj.aut_id
        })
      }
    },
    async loveFn (val) {
      if (val) {
        this.artObj.attitude = 1
        await articleLikeAPI({
          target: this.$route.query.aid
        })
      } else {
        this.artObj.attitude = -1
        await articleDisLikeAPI({
          artId: this.$route.query.aid
        })
      }
    }
  },
  components: { CommentList }
}
</script>

<style scoped lang="less">
.article-container {
  padding: 10px;
  margin-top: 46px;
}
.art-title {
  font-size: 16px;
  font-weight: bold;
  margin: 10px 0;
}

.art-content {
  font-size: 12px;
  line-height: 24px;
  width: 100%;
  overflow-x: scroll;
  word-break: break-all;
  /deep/ img {
    width: 100%;
  }
  /deep/ pre {
    white-space: pre-wrap;
    word-wrap: break-word;
  }
}

.van-cell {
  padding: 5px 0;
  &::after {
    display: none;
  }
}

.avatar {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background-color: #f8f8f8;
  margin-right: 5px;
  border: none;
}

.like-box {
  display: flex;
  justify-content: center;
}
.loading {
  margin-top: 50px;
  text-align: center;
}
</style>
